Inventor · disambiguated record
Kiyoshi Suwa
Also filed as: SUWA KIYOSHI
2 granted patents·5 citations·filing 2014–2019
41Inventor score
Files withNIPPON PISTON RING CO LTD2
Top patents by PatentIndex Score
2 records- 0183US10287933B2Assembly of internal combustion engine valve and valve seatNIPPON PISTON RING CO LTD·Filed 2014·Granted May 14, 2019·5 cites·8 claims
- 0255US11549408B2Iron-based sintered alloy valve seat for internal combustion engineNIPPON PISTON RING CO LTD·Filed 2019·Granted Jan 10, 2023·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →